EP0148215A4 - Fluide hydraulique a base d'eau. - Google Patents

Fluide hydraulique a base d'eau.

Info

Publication number
EP0148215A4
EP0148215A4 EP19840902420 EP84902420A EP0148215A4 EP 0148215 A4 EP0148215 A4 EP 0148215A4 EP 19840902420 EP19840902420 EP 19840902420 EP 84902420 A EP84902420 A EP 84902420A EP 0148215 A4 EP0148215 A4 EP 0148215A4
Authority
EP
European Patent Office
Prior art keywords
hydraulic fluid
carbon atoms
water
molecular weight
fluid according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19840902420
Other languages
German (de)
English (en)
Other versions
EP0148215A1 (fr
EP0148215B1 (fr
Inventor
Rosauro V Holgado
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EF Houghton and Co
Original Assignee
EF Houghton and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/508,831 external-priority patent/US4481125A/en
Application filed by EF Houghton and Co filed Critical EF Houghton and Co
Priority to AT84902420T priority Critical patent/ATE60620T1/de
Publication of EP0148215A1 publication Critical patent/EP0148215A1/fr
Publication of EP0148215A4 publication Critical patent/EP0148215A4/fr
Application granted granted Critical
Publication of EP0148215B1 publication Critical patent/EP0148215B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/01—Emulsions, colloids, or micelles

Definitions

  • This invention relates to an improved high water-based hydraulic fluid particularly suitable for use in industrial hydraulic systems.
  • This invention relates to thickened, high viscosity, high water-based hydraulic fluids of the oil-in-water emulsion type.
  • high water-based hydraulic fluids compositions comprising about 80% or more, by weight, of water.
  • the hydraulic fluids of this invention contain as essential constituents (1) a polyether-based thickener, (2) a lubricant modifier, (3) a dispersant, and (4) an EP additive, all in specified proportions.
  • the hydraulic fluids of the invention may contain various emulsifiers, corrosion inhibitors, defoamers, coupling agents, freezing point depressants, and the like, depending upon the particular hydraulic system in which the hydraulic fluid is to be employed.
  • the essential constituents of the hydraulic fluid may be combined to form a concentrate which is readily dilutable with water to provide a hydraulic fluid.
  • the high water-based hydraulic fluids of this invention provide improvements over prior known aqueous-based hydraulic fluids in the nature of more stable viscosity characteristics, reduced wear and better lubrication.
  • a high water-based hydraulic fluid according to the present invention can be obtained by blending together at a temperature of about 120°-180°F. (49o-82°C.), the lubricant modifier and dispersing agent, following which, after removal from heat, the EP additive is introduced to the blend. Water is then added and a uniform clear fluid is obtained. This clear fluid is then combined with the thickener, and additional water is added to provide a hydraulic fluid having the desired water content and viscosity.
  • the optional constituents such as defoamers, corrosion inhibitors, etc. may be added at an appropriate time during preparation of the fluid.
  • Concentrates of the invention can be blended with a substantial amount of water to provide fire-resistant hydraulic fluids of improved lubricity and anti-wear characteristics, and of stable viscosity. Even at water concentrations in excess of 80%, by weight, the hydraulic fluids of this invention can be used effectively in systems containing vane pumps, and can replace standard hydraulic oils with reductions in cost.
  • high water-based hydraulic fluids and concentrates which can be diluted with water to form such hydraulic fluids comprising (1) a polyether-basedthickener, (2) a lubricant modifier, (3) a dispersant, (4) an EP additive, and (5) water.
  • a polyether-basedthickener for lubricating water
  • a lubricant modifier for lubricating water
  • a dispersant for lubricating water
  • an EP additive e.g., ethylene glycol dimethoxysulfate, etc.
  • corrosion inhibitors, defoamers, metal deactivators, etc. may be included in the compositions.
  • Such hydraulic fluids were found to undergo little reduction in viscosity in use.
  • the lubricant modifiers which may be used in the novel hydraulic fluids of this invention include water immiscible liquids and also water-miscible or water soluble or dispersible liquids and mixtures of such liquids. These lubricant modifiers enhance the lubricating properties of the hydraulic fluids and also function as plasticizers to prevent the formation of tacky deposits in the hydraulic systems in which the hydraulic fluids are employed.
  • the water-miscible or water dispersible fluids such as the alkylene glycols defined more fully hereinafter, at higher concentrations, improve the fluidity and low temperature properties of the hydraulic fluids.
  • the water immiscible liquids which may be used as lubricant modifiers include such liquids as aliphatic, cycloaliphatic and aromatic hydrocarbons; chlorinated hydrocarbons; mineral oils; silicone oils such as a dimethyl and methyl phenyl silicones; fatty materials such as vegetable oils, fish oils, fatty acids, fatty alcohols and fatty amines; condensation products of fatty acids and alkanolamines, which may be phosphate-modified; ethoxylated fatty amides; organic esters such as di-2-ethylhexyl sebacate or azelate, and trimethylolpropane tricaprylate; glycols and polyglycols; triaryl phosphate esters such as triisopropyl phenyl phosphate; and polyphenyl ethers.
  • One group of preferred lubricant modifiers are the synthetic hydrocarbon oils of lubricating viscosity. Normally such oils, will range in viscosity from 50 to 700 Saybolt Universal Seconds (SUS) at 100°F.
  • Such synthetic hydrocarbon oils are normally prepared by polymerizing lower monoolefins in the presence of a suitable catalyst such as BF 3 or AICI 3 .
  • the lower olefins include, for example, ethylene, propylene, butylene, and the iike.
  • Other synthetic hydrocarbon oils are poly alpha olefins and alkyl benzenes. Such synthetic hydrocarbon fluids have adequate fluidity at low temperatures.
  • the water immiscible lubricant modifiers may comprise naturally occuring hydrocarbons such as mineral oils which may be either parafinic or naphthenic in nature. Such mineral oils should have a viscosity of from about 50 to 700 SUS at 100°F.
  • a preferred mineral oil for use in the hydraulic fluids of this invention is a light lubricating oil of the naphthenic type having a viscosity of 80 to 200 SUS at 100°F, a particularly preferred oil of this type having a viscosity of 100 to 150 SUS at 100°F.
  • Another group of preferred lubricant modifiers are the condensation products of fatty acids and alkanolamines.
  • These products which are water dispersible, may be prepared by reacting a fatty acid orfatty ester with an alkanolamine at temperatures on the order of 100° to 160°C. with removal of water of condensation or alcohol.
  • the mol ratio of fatty acid or ester to amine may be in the range of from about 2:1 to about 1:3.
  • a small amount, e.g. 0.01 to 0.05 mols of phosphoric acid may be present during the reaction.
  • the fatty acids used in the preparation of the condensates generally should contain from 7 to 22, preferably 12 to 18 carbon atoms and may be saturated or unsaturated, or a mixture of both.
  • fatty acids suitable for use in preparing the condensates include heptanoic, caprylic, pelargonic, capric, lauric, myristic, palmitic, stearic, oleic and behenic acids.
  • a preferred fatty acid reactant is a mixture of stearic and oleic acids.
  • Alkanolamines which have been found useful in preparing the condensates include ethanolaraine, isopropanolamine, N-methyl ethanolamine, diethanolamine, dipropanolamine, diisopropanolamine, and triethanolamine.
  • a particualrly preferred alkanolamine is diethanolamine.
  • Another group of preferred water soluble/dispersible lubricant modifiers are the ethoxylated fatty amides, amines, alcohols and vegetable oils.
  • the alkyl group of these fatty materials generally should contain from 7 to 22, preferably 12 to 18 carbon atoms.
  • Such alkyl groups include heptanoyl, caprylyl, nonanoyl, capryl, lauryl, myristyl, stearyl, oleyl and behenyl.
  • Such lubricant modifiers may comprise the fatty material derived from vegetable oils, such as, palmitic, coconut, castor, rapeseed, soya bean, corn, peanut, sunflower oil, and the like.
  • fatty material my be derived from animal fat like tallow, lard, fish oil and the like.
  • the degree of ethoxylation of these water soluble/dispersible lubricant modifiers should be between 1 to 20 preferably 4 to 6 moles of ethylene oxide to one mole of fatty amide, amine, alcohol or vegetable oil.
  • a preferred group of lubricant modifiers which are water soluble are the alkylene and poly alkylene glycols having the formula RO(C n H 2 nO) x H, where R is hydrogen or an alkyl group containing 1 to 10 carbon atoms, n is an integer from 2 to 6 and x is an integer from 1 to 70.
  • the alkylene glycols include ethylene and propylene glycol and their higher homologs such as diethylene and dipropylene glycol.
  • the preferred alkylene glycol is ethylene glycol.
  • Suitable water miscible or water dispersible polyoxyalkylene glycols include polyoxyethylene, polyoxypropropylene and poly(oxyethylene, oxypropylene) glycols having molecular weights of from about 200 to about 4000. These polyglycols may be uncapped or capped at the end by a lower alkyl group containing from 1 to 10 carbon atoms. The weight percent of the oxyethylene in the poly(oxyethylene, oxypropylene) glycols should be on the order of at least about 20%.
  • a particular preferred polyglycol is the raonobutyl ether of poly (oxyalkylene-oxy-1, 2-propylene) glycol having a molecular weight of about 1500 to 4000.
  • the lubricant modifiers will comprise from about 0.50 to about 20% by weight of the hydraulic fluid.
  • Preferred hydraulic fluids of the invention contain on the order of 1.0 to 10% of lubricant modifier.
  • the polyether-based thickeners used in the hydraulic fluids of this invention are relatively high molecular weight polyoxyalkylene compounds, also referred to herein as polyether polyols, which may be capped by means of an alpha olefin oxide.
  • the thickeners are water-soluble, or at least water dispersible.
  • the preferred thickeners are the alpha olefin capped polyoxyethylene-polyoxypropylene block copolymers containing on the order of about 20 to 35%, by weight, of 1,2-propolyene oxide groups.
  • the polyether-based thickeners useful in the water-based hydraulic fluids of this invention are preferably two types of normally liquid polyether polyols.
  • each type is obtained by reacting ethylene oxide, at least one lower alkylene oxide having 3 to 4 carbon atoms, and an active hydrogen compound.
  • the active hydrogen compound is an aliphatic alcohol having two or more hydroxy groups in the molecule, while in the other type it is an aliphatic monohydric alcohol containing from 4 to 30, preferably 12 to 18, carbon atoms in the aliphatic group.
  • these polyether polyols which may be heteric or block copolymers, may be capped by reaction with an alpha olefin oxide having about 12 to 30, preferably 12 to 18 aliphatic carbon atoms.
  • those thickeners in which the active hydrogen compound is a diol or polyol may be used in uncapped form, provided they have a sufficiently high molecular weight.
  • uncapped polyether polyols should have a molecular weight of at least 7,000 and may have a molecular weight as high as 75,000.
  • Preferred uncapped polyether polyols of this type have a molecular weight of from about 10,000 to 30,000.
  • the molecular weight thereof should be on the order of 7,000 to 15,000, preferably about 12,000 to 14,000.
  • the weight percent of ethylene oxide groups should be on the order of 25% to 80%.
  • the copolymers contain about 20 to 35% of 1,2-propylene oxide groups.
  • the diols used as the active hydrogen containing compound in the reaction may be glycols, such as ethylene glycol, diethylene glycol and higher glycols.
  • the diols may also contain oxyalkylene groups.
  • Typical of the polyols which may be used as active hydrogen compounds are glycerol, polyglycerol and trimethylol propane.
  • catalysts sodium and potassium hydroxide are preferred. The reaction is carried out at temperatures on the order of 50° to 160°C.
  • the polyether polyols which contain a diol or polyol may either be used as such, or capped with an alpha olefin oxide.
  • a substantially lesser amount of the capped polyol, whether including a diol or polyol, or aliphatic monohydric alcohol as the active hydrogencontaining compound, as compared to an uncapped polyol could be used to provide a hydraulic fluid of a given viscosity.
  • 4.8 parts by weight of a capped thickener were found to provide a hydraulic fluid with a viscosity of 190-200 SUS at 100°F., as compared to a viscosity of only 75-80 SUS using 12.5 parts of an uncapped thickener (cf. Examples I and II infra).
  • the alpha olefin oxides utilized to modify or cap the polyether polyols are those containing about 12 to 30, preferably about 12 to 18 aliphatic carbon atoms, and mixtures thereof.
  • the amount of alpha olefin oxide required to obtain the desired thickeners is about 1 to about 20%, by weight of the total weight of the capped thickeners.
  • the capped reaction is carried out by adding the alpha olefin oxide to the polyether polyol, a liquid, and heating the mixture to a temperature of about 50° to 90°C. for about 1 to 2 hours, depending upon batch size. Before addition of alpha olefin oxide, it is desirable to render the polyether polyol as anhydrous as possible.
  • a second type of preferred thickeners are those heteric or block copolymers of ethylene oxide, a lower alkylene oxide and an active hydrogen compound which preferably is an aliphatic monohydroxy alcohol containing 4 to 30, preferably 12 to 18 aliphatic carbon atoms, capped with an alpha olefin oxide which also contains 12 to 30 aliphatic carbon atoms.
  • active hydrogen compound which preferably is an aliphatic monohydroxy alcohol containing 4 to 30, preferably 12 to 18 aliphatic carbon atoms, capped with an alpha olefin oxide which also contains 12 to 30 aliphatic carbon atoms.
  • Typical of the preferred monohydric alcohols for reaction with ethylene oxide and a lower alkylene oxide are butyl alcohol, capryl alcohol, lauryl alcohol, myristyl alcohol, stearyl alcohol, cetyl alcohol and behenyl alcohol.
  • the reaction is carried out using well known alkaline oxyalkylation catalysts, for example, strong bases such as sodium and potassium hydroxides.
  • the reaction can be carried out in the presence of an inert organic solvent, examples of which include aliphatic hydrocarbons, such as hexane and heptane; aromatic hydrocarbons, such as benzene and toluene; chlorinated hydrocarbons such as ethylene dichloride, and the like.
  • Reaction temperatures are as stated above, i.e. on the order of 50° to 160°C.
  • polyether polyols Preparation of the latter polyether polyols is well known in the art. Further details of preparation of heteric copolymers of lower alkylene oxides are disclosed in U.S. Pat. No. 3,829,506, incorporated herein by reference. Additional information on preparation of block copolymers of lower alkylene oxides is to be found in U.S. Pat. No. 3,535,307, also incorporated herein by reference.
  • the polyether polyols in which the active hydrogen compound is an aliphatic monohydric alcohol may be capped with an alpha olefin oxide as described herein above.
  • the molecular weight of the latter discussed capped thickeners should be in the range of about 7,000 to 15,000, preferably 12,000 to 14,000.
  • Other polyether polyols which may be capped to provide thickeners according to this invention and methods for their preparation are disclosed in U.S. Pat. Nos. 2,425,755, 3,036,118, 3,595,924, 3,706,714, and 3,829,505; and British Patents Nos. 950,844 and 1,228,561, the several disclosures of which are incorporated herein by reference.
  • the thickeners will generally comprise from about 1.5 to about 15%, by weight, the amount depending upon the particular thickener employed and the viscosity which is desired for the hydraulic fluid.
  • the capped thickeners have greater thickening power than do the uncapped thickeners.
  • lesser amounts of the capped thickeners can be used to pr.ovide the hydraulic fluids of the invention with a desired viscosity.
  • the hydraulic fluids contain on the average of about 2 to 6% of capped thickeners and 10 to 15% of uncapped thickeners.
  • the hydraulic fluids will have viscosities in the range of about 50 to about 200 SUS at 100°F.
  • Useful dispersing agents for inclusion in the hydraulic fluids of this invention are reaction products of an alkenyl succinic anhydride (or acid) with certain water-soluble active hydrogen compounds, an example of which is dialkyl alkanolamine. These dispersing agents are particularly effective in dispersing oil-soluble extreme pressure (EP) additives, such as zinc dialkyl dithiophosphate, in the aqueous fluid where it can act as an anti-wear constituent and provide EP properties.
  • EP extreme pressure
  • the alkenyl succinic anhydride (or acid) with which the active hydrogen compound is reacted may be prepared by reacting maleic anhydride with a long chain alpha olefin by conventional procedures.
  • the olefin may be reacted with maleic anhydride (or acid) at temperatures of 150°-250°C., the amount of olefin used being at least the stoichiometeric equivalent of the maleic anhydride reactant.
  • a preferred olefin reaction product is a polyisobutene of sufficient chain length to provide the succinic anhydride reaction product with a molecular weight on the order of 500 to 2000, preferably about 800 to 1200, a molecular weight of about 1,000 being particularly preferred.
  • the other reactant it is an active hydrogen compound and may be an alkyl alkanolamine having the formula in which R is hydrogen or an alkyl group containing from 8 to 24 carbon atoms, R' is hydrogen or (C 2 H 4 O ) X H or
  • R" is R or R', and x is an integer of from 1 to 50.
  • a particularly preferred alkyl alkanolamine reactant is diethylethanolamine.
  • R " ' is an alkyl group containing from 8 to 20 carbon atoms
  • R iv is ' or SR"'
  • R v is R' or an alkyl group containin gfrom 1 to 4 carbon atoms
  • y is an integer from 3 to 10.
  • R"' is a C 8 to C 9 alkyl group and y is 5.
  • the alkenyl succinic anhydride (or acid) is reacted with 'the active hydrogen compound at a temperature of about 50° to 250°C, preferably 60° to 150°C. for a time sufficient to form the desired reaction product, usually from 1 to 6 hours.
  • the relative amounts of anhydride and active hydrogen compound can vary somewhat, but preferably two mols of such compound are used with each mol of anhydride to ensure complete reaction of the anhydride.
  • the hydraulic fluid should contain on the order of from about 0.5 to about 5.0%, preferably 1 to 3%, of the dispersing agent in order to ensure proper dispersion of the EP additive and other water-insoluble constituents in the aqueous phase of the insoluble constituents in the aqueous phase of the hydraulic fluid.
  • the Extreme Pressure (EP) additives used in hydraulic fluids of the invention are dithiophosphates or dithiocarbamates of the respective formulae where R v is an alkyl group containing from 4 to 16, preferably 4 to 10 carbon atoms, phenyl or naphthyl, and X is hydrogen, an amine, ammonium, a substituted ammonium compound, a metal of Groups I and II of the Periodic Table, i.e.
  • alkali metals such as sodium, potassium or lithium, alkaline earth metals, usually magnesium or calcium
  • Group II transition metals such as manganese or zinc, particularly zinc, which is preferred, antimony, or Mo 2 S 2 O 2
  • a is an integer of from 1 to 2.
  • the dithiophosphates may be prepared by reacting an alcohol with phosphorous pentasulfide at a temperature of from 40° - 120°C. for a period of 1 to 4 hours.
  • Typical alcohols which may be used in the reaction are such normal alcohols as n-butyl, n-heptyl, n-octyl, n-decyl and n-dodecyl alcohol.
  • Suitable branched chain alcohols include 2-methyl-1-pentanol, 2-ethyl-1-hexanol and 2,2-dimethyl-1-octanol.
  • An organic or inorganic base may be reacted with the dithiophosphate to form the EP additives for inclusion in the hydraulic fluid.
  • Ashless dithiophosphates may be obtained by reaction with non-metallic bases sucn as amines, ammonia and substituted ammonium compounds. Reaction with metal oxides or hydroxides produce ashing dithiophosphates which usually are preferred by reason of their properties.
  • the metals most usually used are those of Groups I and II of the Periodic Table, i.e. the alkali metals, such as sodium, potassium, and lithium, the alkaline earth metals, usually magnesium or calcium, and the Group II transition metals, particularly zinc, which is especially preferred.
  • the metal is generally used in the form of its oxide or hydroxide for reaction with dithiophosphoric acid.
  • the reaction between the dithiophosphoric acid and the base is usually conducted at a temperature of 75°-150°C. over a period of 1-4 hours.
  • the EP additive should be present in an amount of from about 0.125 to 1.25%, preferably 0.5 to 0.75%.
  • the dithiocarbamates are well known compounds and generally may be obtained by reaction of suitable amine and carbon disulfide.
  • the hydraulic fluids may also contain other materials such as emulsifiers, corrosion inhibitors, defoamers, coupling agents, and the like.
  • Suitable emulsifiers include those having a Hydrophile-Lipophile Balance (HLB) in the range of 3 to 20 (see Chapter 1 of the HLB System published by ICI United States, Inc. (1976)).
  • HLB Hydrophile-Lipophile Balance
  • examples of such emulsifiers are ethoxylated alkyl phenols or alkyl amines in which the alkyl groups contain from 14 to 24 carbon atoms, and the number of ethoxy groups varies from 3 to 10. Long chain, e.g.
  • C 8 -C 18 alcohols can also be used as co-emulsifiers.
  • the hydraulic fluid may contain up to 1.5% such an emulsifier, preferred amounts of emulsifier being from about 0.45 to 1.2%.
  • Small amounts, e.g. up to 0.5%, of various silicone defoamers may be present in the hydraulic fluid, as well as small amounts, e.g. up to 0.1% of various corrosion inhibitors, such as benzotriazole and tolutriazole.
  • various corrosion inhibitors such as benzotriazole and tolutriazole.
  • As a vapor phase corrosion inhibitor there may be used various water soluble alkyl alkanolamines of the type used to react with succinic anhydride to form the dispersing agents, described above.
  • Freezing point depressants such as ethylene glycol, if not present as the lubricant modifier, may be included in the hydraulic fluids in amounts sufficient to lower the freezing point to prevent freezing of the fluids at those temperatures encountered in use.
  • a water-dilutable concentrate from which the hydraulic fluid may be prepared merely by addition of an appropriate amount of water.
  • a concentrate may have the composition given in TABLE I, below.
  • the oil soluble lubricant modifier, if present, dispersing agent and EP additive may be mixed together and heated at a temperature of from about 130° to 150°F. (54.4°-65.6°C.) for 30-45 minutes.
  • Various of the optional additives such as the corrosion inhibitors, defoamers, emulsifiers, etc. may be added to the water-miscible lubricant modifier, when present, which is heated to about 150°-160°F. (65.5°-71.1°C.). Otherwise such optional additives may be added directly to the mixture containing the oil soluble lubricant modifier and EP additive.
  • the two mixtures can then be combined in the absence of heat, water added, and the mixture blended for 45-60 minutes to form a translucent fluid containing about 35 - 45% water.
  • This mixture can then be combined with an appropriate amount of thickener and water to provide a hydraulic fluid of the desired water content, usually 80% or more, and viscosity.
  • Example I A hydraulic fluid of the present invention having the composition set forth in TABLE II was prepared by the method hereinbelow described:
  • component (a) 23.3 parts by weight of component (a), 18.0 parts of component (b), and 7.5 parts of component (c), were mixed and heated to 130o-150°F. (54.4°-65.6°C.) for 30-45 minutes.
  • component (g) 23.3 parts by weight of component (a), 18.0 parts of component (b), and 7.5 parts of component (c), were mixed and heated to 130o-150°F. (54.4°-65.6°C.) for 30-45 minutes.
  • component (g) 1.2 parts of the additives, component (g), were dissolved in 10.0 parts of component (d) which has been heated to 150° - 160°F (66° - 71°C). The two mixtures were combined; the heat was shut off, and water was added in an amount such that the water comprised 40%
  • 1 Phosphate-modified condensation product obtained by reacting about 1.5 mols of diethanolamine with about 1 mol of a mixture of stearic and oleic acids in the presence of about 0.03 mols of phosphoric acid.
  • 2 zinc dialkyl (C 4 -C 10 ) dithiophosphate obtained by reacting about 1.5 mols of diethanolamine with about 1 mol of a mixture of stearic and oleic acids in the presence of about 0.03 mols of phosphoric acid.
  • a hydraulic fluid of the present invention having the composition set forth in TABLE IV was prepared by the method hereinbelow described:
  • component (a) 23.3 parts by weight of component (a), 18.0 parts of component (b), and 7.5 parts of component (c), were mixed and heated to 130°-150°F (54.4°-65.6°C.). for 30-45 minutes. 1.2 parts of the additives, component
  • Example V A hydraulic fluid of the present invention having the composition set forth in TABLE VI was prepared by the method hereinbelow described:
  • component (a) and 16.0 parts of component (b) were mixed and heated to 130°-150°F. (54.4°-65.6°C.) for 45-60 minutes.
  • the heat was shut off and 6.7 parts of component (c) and 7.5 parts of component (g) were added, and the mixture was blended for 30-45 minutes.
  • 0.9 parts of the additive, component (f), were dissolved in 4.5 parts of component (h) which had been heated to 150°-160°F. (65.6°-71.1°C).
  • Zinc dialkyl (C 2 -C 10 ) dithiophosphate 4 Monobutyl ether of poly (oxyethylene-oxy-1, 2-propylene) glycol (MW 1500 - 4000).
  • Benzotriazole and silicone defoamer were combined. Water was added in an amount such that the water comprised 43.2% by weight of the final mixture. The resulting batch was blended for 45-60 minutes to obtain a uniformly translucent liquid.
  • the resulting hydraulic fluid has an initial viscosity of 150-250 SUS at 100°F. (37.8°C).
  • Example V The hydraulic fluid of Example V was subjected to the following pump test using the same type of test pump and the same test conditions as in Example IV, TABLE V.
  • Example VII A hydraulic fluid of the present invention having the composition set forth in TABLE VIII was prepared by the method hereinbelow described:
  • component (a), 10.0 parts of component (b), and 5.0 parts of component (c), were mixed and heated to 130°-150°F. (54.4°-65.6°C.) for 30-45 minutes.
  • component (g) 12.5 parts of component (a), 10.0 parts of component (b), and 5.0 parts of component (c) were mixed and heated to 130°-150°F. (54.4°-65.6°C.) for 30-45 minutes.
  • component (g) 0.6 parts of the additives, component (g), were dissolved in 21.9 parts of component (d) which has been heated to 150°-160°F ( 65.6°-71.1°C.).
  • the two mixtures were combined; the heat was shut off, and water was added in an amount such that the water comprised 50% by weight of the final mixture.
  • the resulting batch was blended for 45-60 minutes to obtain a uniformly translucent liquid.
  • 1 Phosphate-modified condensation product obtained by reacting about 1.5 mols of diethanolamine with about 1 mol of a mixture of stearic and oleic acids in the presence of about 0.03 mols of phosphoric acid.
  • a hydraulic fluid of the present invention having the composition set forth on Table XI was prepared by the method herein below described:
  • component (a) and 14.0 parts of component (b) were mixed and heated to 130°-150°F (54°-66°C) for 45-60 minutes. The heat was shut off and 11.0 parts of component (c) and 10.0 parts of component (d) were added, and the mixture was blended for 30-45 minutes.
  • 0.3 parts of benzotriazole were dissolved in 6.5 parts of component (e) which had been heated to 150°-160°F (66°-71°C). The two mixtures were combined. 10.7 parts of water were added, and the mixture was blended for 45-60 minutes to obtain a uniformly transparent liquid.
  • Example XI The hydraulic fluid of Example X was subjected to pump tests using the same type of pump and the same conditions as in Example IV, Table V, except for duration of the tests. The results of these tests are set forth in Table XII, below.
  • Example X The hydraulic fluid of Example X was subjected to the following pump tests, and the test conditions used and results obtained are set forth in Table XIII, below: Note: (1) Tests 1 and 2 were run with negative head condition using the Vickers 282 series vane pump.
  • Test 3 was run with 12 inch supercharge inlet condition using Vickers 180 series vane pump.
  • Example XIII The hydraulic fluid of Example X was subjected to pump tests using the same type of pump and the same conditions as in Example IX, Table X except for duration of the tests, and the results obtained are set forth in Table XIV, below:

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EP84902420A 1983-06-29 1984-06-08 Fluide hydraulique a base d'eau Expired - Lifetime EP0148215B1 (fr)

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US4770803A (en) * 1986-07-03 1988-09-13 The Lubrizol Corporation Aqueous compositions containing carboxylic salts
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DE102004048778B3 (de) 2004-10-07 2006-06-22 Clariant Gmbh Korrosions-und Gashydratinhibitoren mit erhöhter biologischer Abbaubarkeit und verminderter Toxizität
JP5394691B2 (ja) 2008-08-22 2014-01-22 出光興産株式会社 水溶性金属加工油剤および金属加工用クーラント
ES2897930T3 (es) * 2014-01-28 2022-03-03 Basf Se Uso de polietilenglicoles alcoxilados en composiciones de aceites lubricantes
KR20200060916A (ko) * 2018-11-23 2020-06-02 (주)늘푸른바다 다시마 분말을 포함하는 어묵면 및 이의 제조방법
CN112375612A (zh) * 2020-11-19 2021-02-19 上海淳信机电科技有限公司 一种水基液压阻尼介质及其制备方法
CN114854481A (zh) * 2022-04-08 2022-08-05 中国石油化工股份有限公司 一种水基难燃液压液组合物及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210541A (en) * 1978-11-27 1980-07-01 Gulf Research And Development Company Stabilized hydraulic fluid composition
US4312768A (en) * 1979-10-22 1982-01-26 Basf Wyandotte Corporation Synergistic polyether thickeners for water-based hydraulic fluids

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105050A (en) * 1959-11-13 1963-09-24 Union Oil Co Aqueous hydraulic fluid
US3005776A (en) * 1959-12-31 1961-10-24 Union Carbide Corp Hydraulic fluid composition
BE621872A (fr) * 1960-11-21
US4209414A (en) * 1978-03-13 1980-06-24 E. F. Houghton And Co. Dual-purpose hydraulic fluid
US4253975A (en) * 1979-08-27 1981-03-03 Mobil Oil Corporation Aqueous lubricants containing metal hydrocarbyl dithiophosphates
US4288639A (en) * 1979-10-22 1981-09-08 Basf Wyandotte Corporation Alpha-olefin oxide-modified liquid polyether thickeners
JPS5714696A (en) * 1980-07-01 1982-01-25 Cosmo Co Ltd Flame retardant lubricating oil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210541A (en) * 1978-11-27 1980-07-01 Gulf Research And Development Company Stabilized hydraulic fluid composition
US4312768A (en) * 1979-10-22 1982-01-26 Basf Wyandotte Corporation Synergistic polyether thickeners for water-based hydraulic fluids

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8500182A1 *

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IT8448470A0 (it) 1984-06-28
CA1242431A (fr) 1988-09-27
GB8503919D0 (en) 1985-03-20
IT1177846B (it) 1987-08-26
WO1985000182A1 (fr) 1985-01-17
EP0148215A1 (fr) 1985-07-17
EP0148215B1 (fr) 1991-01-30
GB2152529B (en) 1986-11-19
JPS60501657A (ja) 1985-10-03
KR910010135B1 (ko) 1991-12-17
DE3484057D1 (de) 1991-03-07
KR850000516A (ko) 1985-02-27
JPH0794673B2 (ja) 1995-10-11
AU555383B1 (en) 1986-09-18
GB2152529A (en) 1985-08-07
BR8406955A (pt) 1985-06-04
AU3064684A (en) 1985-01-25

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